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source: protocols/nogaim.c @ 3e69802

Last change on this file since 3e69802 was cca0692, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-04-09T00:40:38Z

Added imcb_chat_nick_hint() and use it in the Twitter module to get saner
channel names.

This also closes bug #577, making the Skype module a bit nicer.

Property mode set to 100644

File size: 32.7 KB

Line
1	/********************************************************************\
2	* BitlBee -- An IRC to other IM-networks gateway *
3	* *
4	* Copyright 2002-2010 Wilmer van der Gaast and others *
5	\********************************************************************/
6
7	/*
8	* nogaim
9	*
10	* Gaim without gaim - for BitlBee
11	*
12	* This file contains functions called by the Gaim IM-modules. It's written
13	* from scratch for BitlBee and doesn't contain any code from Gaim anymore
14	* (except for the function names).
15	*/
16
17	/*
18	This program is free software; you can redistribute it and/or modify
19	it under the terms of the GNU General Public License as published by
20	the Free Software Foundation; either version 2 of the License, or
21	(at your option) any later version.
22
23	This program is distributed in the hope that it will be useful,
24	but WITHOUT ANY WARRANTY; without even the implied warranty of
25	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26	GNU General Public License for more details.
27
28	You should have received a copy of the GNU General Public License with
29	the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
30	if not, write to the Free Software Foundation, Inc., 59 Temple Place,
31	Suite 330, Boston, MA 02111-1307 USA
32	*/
33
34	#define BITLBEE_CORE
35	#include <ctype.h>
36
37	#include "nogaim.h"
38	#include "chat.h"
39
40	static int remove_chat_buddy_silent( struct groupchat b, const char handle );
41	static char format_timestamp( irc_t irc, time_t msg_ts );
42
43	GSList *connections;
44
45	#ifdef WITH_PLUGINS
46	gboolean load_plugin(char *path)
47	{
48	void (*init_function) (void);
49
50	GModule *mod = g_module_open(path, G_MODULE_BIND_LAZY);
51
52	if(!mod) {
53	log_message(LOGLVL_ERROR, "Can't find `%s', not loading (%s)\n", path, g_module_error());
54	return FALSE;
55	}
56
57	if(!g_module_symbol(mod,"init_plugin",(gpointer *) &init_function)) {
58	log_message(LOGLVL_WARNING, "Can't find function `init_plugin' in `%s'\n", path);
59	return FALSE;
60	}
61
62	init_function();
63
64	return TRUE;
65	}
66
67	void load_plugins(void)
68	{
69	GDir *dir;
70	GError *error = NULL;
71
72	dir = g_dir_open(global.conf->plugindir, 0, &error);
73
74	if (dir) {
75	const gchar *entry;
76	char *path;
77
78	while ((entry = g_dir_read_name(dir))) {
79	path = g_build_filename(global.conf->plugindir, entry, NULL);
80	if(!path) {
81	log_message(LOGLVL_WARNING, "Can't build path for %s\n", entry);
82	continue;
83	}
84
85	load_plugin(path);
86
87	g_free(path);
88	}
89
90	g_dir_close(dir);
91	}
92	}
93	#endif
94
95	/* nogaim.c */
96
97	GList *protocols = NULL;
98
99	void register_protocol (struct prpl *p)
100	{
101	int i;
102	gboolean refused = global.conf->protocols != NULL;
103
104	for (i = 0; global.conf->protocols && global.conf->protocols[i]; i++)
105	{
106	if (g_strcasecmp(p->name, global.conf->protocols[i]) == 0)
107	refused = FALSE;
108	}
109
110	if (refused)
111	log_message(LOGLVL_WARNING, "Protocol %s disabled\n", p->name);
112	else
113	protocols = g_list_append(protocols, p);
114	}
115
116	struct prpl find_protocol(const char name)
117	{
118	GList *gl;
119	for (gl = protocols; gl; gl = gl->next)
120	{
121	struct prpl *proto = gl->data;
122	if(!g_strcasecmp(proto->name, name))
123	return proto;
124	}
125	return NULL;
126	}
127
128	/* nogaim.c */
129	void nogaim_init()
130	{
131	extern void msn_initmodule();
132	extern void oscar_initmodule();
133	extern void byahoo_initmodule();
134	extern void jabber_initmodule();
135	extern void twitter_initmodule();
136
137	#ifdef WITH_MSN
138	msn_initmodule();
139	#endif
140
141	#ifdef WITH_OSCAR
142	oscar_initmodule();
143	#endif
144
145	#ifdef WITH_YAHOO
146	byahoo_initmodule();
147	#endif
148
149	#ifdef WITH_JABBER
150	jabber_initmodule();
151	#endif
152
153	#ifdef WITH_TWITTER
154	twitter_initmodule();
155	#endif
156
157	#ifdef WITH_PLUGINS
158	load_plugins();
159	#endif
160	}
161
162	GSList *get_connections() { return connections; }
163
164	/* multi.c */
165
166	struct im_connection imcb_new( account_t acc )
167	{
168	struct im_connection *ic;
169
170	ic = g_new0( struct im_connection, 1 );
171
172	ic->irc = acc->irc;
173	ic->acc = acc;
174	acc->ic = ic;
175
176	connections = g_slist_append( connections, ic );
177
178	return( ic );
179	}
180
181	void imc_free( struct im_connection *ic )
182	{
183	account_t *a;
184
185	/* Destroy the pointer to this connection from the account list */
186	for( a = ic->irc->accounts; a; a = a->next )
187	if( a->ic == ic )
188	{
189	a->ic = NULL;
190	break;
191	}
192
193	connections = g_slist_remove( connections, ic );
194	g_free( ic );
195	}
196
197	static void serv_got_crap( struct im_connection ic, char format, ... )
198	{
199	va_list params;
200	char *text;
201	account_t *a;
202
203	va_start( params, format );
204	text = g_strdup_vprintf( format, params );
205	va_end( params );
206
207	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
208	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
209	strip_html( text );
210
211	/* Try to find a different connection on the same protocol. */
212	for( a = ic->irc->accounts; a; a = a->next )
213	if( a->prpl == ic->acc->prpl && a->ic != ic )
214	break;
215
216	/* If we found one, include the screenname in the message. */
217	if( a )
218	irc_usermsg( ic->irc, "%s(%s) - %s", ic->acc->prpl->name, ic->acc->user, text );
219	else
220	irc_usermsg( ic->irc, "%s - %s", ic->acc->prpl->name, text );
221
222	g_free( text );
223	}
224
225	void imcb_log( struct im_connection ic, char format, ... )
226	{
227	va_list params;
228	char *text;
229
230	va_start( params, format );
231	text = g_strdup_vprintf( format, params );
232	va_end( params );
233
234	if( ic->flags & OPT_LOGGED_IN )
235	serv_got_crap( ic, "%s", text );
236	else
237	serv_got_crap( ic, "Logging in: %s", text );
238
239	g_free( text );
240	}
241
242	void imcb_error( struct im_connection ic, char format, ... )
243	{
244	va_list params;
245	char *text;
246
247	va_start( params, format );
248	text = g_strdup_vprintf( format, params );
249	va_end( params );
250
251	if( ic->flags & OPT_LOGGED_IN )
252	serv_got_crap( ic, "Error: %s", text );
253	else
254	serv_got_crap( ic, "Couldn't log in: %s", text );
255
256	g_free( text );
257	}
258
259	static gboolean send_keepalive( gpointer d, gint fd, b_input_condition cond )
260	{
261	struct im_connection *ic = d;
262
263	if( ic->acc->prpl->keepalive )
264	ic->acc->prpl->keepalive( ic );
265
266	return TRUE;
267	}
268
269	void imcb_connected( struct im_connection *ic )
270	{
271	irc_t *irc = ic->irc;
272	struct chat *c;
273	user_t *u;
274
275	/* MSN servers sometimes redirect you to a different server and do
276	the whole login sequence again, so these "late" calls to this
277	function should be handled correctly. (IOW, ignored) */
278	if( ic->flags & OPT_LOGGED_IN )
279	return;
280
281	u = user_find( ic->irc, ic->irc->nick );
282
283	imcb_log( ic, "Logged in" );
284
285	ic->keepalive = b_timeout_add( 60000, send_keepalive, ic );
286	ic->flags \|= OPT_LOGGED_IN;
287
288	/* Necessary to send initial presence status, even if we're not away. */
289	imc_away_send_update( ic );
290
291	/* Apparently we're connected successfully, so reset the
292	exponential backoff timer. */
293	ic->acc->auto_reconnect_delay = 0;
294
295	for( c = irc->chatrooms; c; c = c->next )
296	{
297	if( c->acc != ic->acc )
298	continue;
299
300	if( set_getbool( &c->set, "auto_join" ) )
301	chat_join( irc, c, NULL );
302	}
303	}
304
305	gboolean auto_reconnect( gpointer data, gint fd, b_input_condition cond )
306	{
307	account_t *a = data;
308
309	a->reconnect = 0;
310	account_on( a->irc, a );
311
312	return( FALSE ); /* Only have to run the timeout once */
313	}
314
315	void cancel_auto_reconnect( account_t *a )
316	{
317	b_event_remove( a->reconnect );
318	a->reconnect = 0;
319	}
320
321	void imc_logout( struct im_connection *ic, int allow_reconnect )
322	{
323	irc_t *irc = ic->irc;
324	user_t t, u;
325	account_t *a;
326	int delay;
327
328	/* Nested calls might happen sometimes, this is probably the best
329	place to catch them. */
330	if( ic->flags & OPT_LOGGING_OUT )
331	return;
332	else
333	ic->flags \|= OPT_LOGGING_OUT;
334
335	imcb_log( ic, "Signing off.." );
336
337	b_event_remove( ic->keepalive );
338	ic->keepalive = 0;
339	ic->acc->prpl->logout( ic );
340	b_event_remove( ic->inpa );
341
342	g_free( ic->away );
343	ic->away = NULL;
344
345	u = irc->users;
346	while( u )
347	{
348	if( u->ic == ic )
349	{
350	t = u->next;
351	user_del( irc, u->nick );
352	u = t;
353	}
354	else
355	u = u->next;
356	}
357
358	query_del_by_conn( ic->irc, ic );
359
360	for( a = irc->accounts; a; a = a->next )
361	if( a->ic == ic )
362	break;
363
364	if( !a )
365	{
366	/* Uhm... This is very sick. */
367	}
368	else if( allow_reconnect && set_getbool( &irc->set, "auto_reconnect" ) &&
369	set_getbool( &a->set, "auto_reconnect" ) &&
370	( delay = account_reconnect_delay( a ) ) > 0 )
371	{
372	imcb_log( ic, "Reconnecting in %d seconds..", delay );
373	a->reconnect = b_timeout_add( delay * 1000, auto_reconnect, a );
374	}
375
376	imc_free( ic );
377	}
378
379
380	/* dialogs.c */
381
382	void imcb_ask( struct im_connection ic, char msg, void *data,
383	query_callback doit, query_callback dont )
384	{
385	query_add( ic->irc, ic, msg, doit, dont, data );
386	}
387
388
389	/* list.c */
390
391	void imcb_add_buddy( struct im_connection ic, const char handle, const char *group )
392	{
393	user_t *u;
394	char nick[MAX_NICK_LENGTH+1], *s;
395	irc_t *irc = ic->irc;
396
397	if( user_findhandle( ic, handle ) )
398	{
399	if( set_getbool( &irc->set, "debug" ) )
400	imcb_log( ic, "User already exists, ignoring add request: %s", handle );
401
402	return;
403
404	/* Buddy seems to exist already. Let's ignore this request then...
405	Eventually subsequent calls to this function should be possible
406	when a buddy is in multiple groups. But for now BitlBee doesn't
407	even support groups so let's silently ignore this for now. */
408	}
409
410	memset( nick, 0, MAX_NICK_LENGTH + 1 );
411	strcpy( nick, nick_get( ic->acc, handle ) );
412
413	u = user_add( ic->irc, nick );
414
415	// if( !realname \|\| !*realname ) realname = nick;
416	// u->realname = g_strdup( realname );
417
418	if( ( s = strchr( handle, '@' ) ) )
419	{
420	u->host = g_strdup( s + 1 );
421	u->user = g_strndup( handle, s - handle );
422	}
423	else if( ic->acc->server )
424	{
425	u->host = g_strdup( ic->acc->server );
426	u->user = g_strdup( handle );
427
428	/* s/ /_/ ... important for AOL screennames */
429	for( s = u->user; *s; s ++ )
430	if( *s == ' ' )
431	*s = '_';
432	}
433	else
434	{
435	u->host = g_strdup( ic->acc->prpl->name );
436	u->user = g_strdup( handle );
437	}
438
439	u->ic = ic;
440	u->handle = g_strdup( handle );
441	if( group ) u->group = g_strdup( group );
442	u->send_handler = buddy_send_handler;
443	u->last_typing_notice = 0;
444	}
445
446	struct buddy imcb_find_buddy( struct im_connection ic, char *handle )
447	{
448	static struct buddy b[1];
449	user_t *u;
450
451	u = user_findhandle( ic, handle );
452
453	if( !u )
454	return( NULL );
455
456	memset( b, 0, sizeof( b ) );
457	strncpy( b->name, handle, 80 );
458	strncpy( b->show, u->realname, BUDDY_ALIAS_MAXLEN );
459	b->present = u->online;
460	b->ic = u->ic;
461
462	return( b );
463	}
464
465	void imcb_rename_buddy( struct im_connection ic, const char handle, const char *realname )
466	{
467	user_t *u = user_findhandle( ic, handle );
468	char *set;
469
470	if( !u \|\| !realname ) return;
471
472	if( g_strcasecmp( u->realname, realname ) != 0 )
473	{
474	if( u->realname != u->nick ) g_free( u->realname );
475
476	u->realname = g_strdup( realname );
477
478	if( ( ic->flags & OPT_LOGGED_IN ) && set_getbool( &ic->irc->set, "display_namechanges" ) )
479	imcb_log( ic, "User `%s' changed name to `%s'", u->nick, u->realname );
480	}
481
482	set = set_getstr( &ic->acc->set, "nick_source" );
483	if( strcmp( set, "handle" ) != 0 )
484	{
485	char *name = g_strdup( realname );
486
487	if( strcmp( set, "first_name" ) == 0 )
488	{
489	int i;
490	for( i = 0; name[i] && !isspace( name[i] ); i ++ ) {}
491	name[i] = '\0';
492	}
493
494	imcb_buddy_nick_hint( ic, handle, name );
495
496	g_free( name );
497	}
498	}
499
500	void imcb_remove_buddy( struct im_connection ic, const char handle, char *group )
501	{
502	user_t *u;
503
504	if( ( u = user_findhandle( ic, handle ) ) )
505	user_del( ic->irc, u->nick );
506	}
507
508	/* Mainly meant for ICQ (and now also for Jabber conferences) to allow IM
509	modules to suggest a nickname for a handle. */
510	void imcb_buddy_nick_hint( struct im_connection ic, const char handle, const char *nick )
511	{
512	user_t *u = user_findhandle( ic, handle );
513	char newnick[MAX_NICK_LENGTH+1], *orig_nick;
514
515	if( u && !u->online && !nick_saved( ic->acc, handle ) )
516	{
517	/* Only do this if the person isn't online yet (which should
518	be the case if we just added it) and if the user hasn't
519	assigned a nickname to this buddy already. */
520
521	strncpy( newnick, nick, MAX_NICK_LENGTH );
522	newnick[MAX_NICK_LENGTH] = 0;
523
524	/* Some processing to make sure this string is a valid IRC nickname. */
525	nick_strip( newnick );
526	if( set_getbool( &ic->irc->set, "lcnicks" ) )
527	nick_lc( newnick );
528
529	if( strcmp( u->nick, newnick ) != 0 )
530	{
531	/* Only do this if newnick is different from the current one.
532	If rejoining a channel, maybe we got this nick already
533	(and dedupe would only add an underscore. */
534	nick_dedupe( ic->acc, handle, newnick );
535
536	/* u->nick will be freed halfway the process, so it can't be
537	passed as an argument. */
538	orig_nick = g_strdup( u->nick );
539	user_rename( ic->irc, orig_nick, newnick );
540	g_free( orig_nick );
541	}
542	}
543	}
544
545
546	struct imcb_ask_cb_data
547	{
548	struct im_connection *ic;
549	char *handle;
550	};
551
552	static void imcb_ask_auth_cb_no( void *data )
553	{
554	struct imcb_ask_cb_data *cbd = data;
555
556	cbd->ic->acc->prpl->auth_deny( cbd->ic, cbd->handle );
557
558	g_free( cbd->handle );
559	g_free( cbd );
560	}
561
562	static void imcb_ask_auth_cb_yes( void *data )
563	{
564	struct imcb_ask_cb_data *cbd = data;
565
566	cbd->ic->acc->prpl->auth_allow( cbd->ic, cbd->handle );
567
568	g_free( cbd->handle );
569	g_free( cbd );
570	}
571
572	void imcb_ask_auth( struct im_connection ic, const char handle, const char *realname )
573	{
574	struct imcb_ask_cb_data *data = g_new0( struct imcb_ask_cb_data, 1 );
575	char s, realname_ = NULL;
576
577	if( realname != NULL )
578	realname_ = g_strdup_printf( " (%s)", realname );
579
580	s = g_strdup_printf( "The user %s%s wants to add you to his/her buddy list.",
581	handle, realname_ ?: "" );
582
583	g_free( realname_ );
584
585	data->ic = ic;
586	data->handle = g_strdup( handle );
587	query_add( ic->irc, ic, s, imcb_ask_auth_cb_yes, imcb_ask_auth_cb_no, data );
588	}
589
590
591	static void imcb_ask_add_cb_no( void *data )
592	{
593	g_free( ((struct imcb_ask_cb_data*)data)->handle );
594	g_free( data );
595	}
596
597	static void imcb_ask_add_cb_yes( void *data )
598	{
599	struct imcb_ask_cb_data *cbd = data;
600
601	cbd->ic->acc->prpl->add_buddy( cbd->ic, cbd->handle, NULL );
602
603	return imcb_ask_add_cb_no( data );
604	}
605
606	void imcb_ask_add( struct im_connection ic, const char handle, const char *realname )
607	{
608	struct imcb_ask_cb_data *data = g_new0( struct imcb_ask_cb_data, 1 );
609	char *s;
610
611	/* TODO: Make a setting for this! */
612	if( user_findhandle( ic, handle ) != NULL )
613	return;
614
615	s = g_strdup_printf( "The user %s is not in your buddy list yet. Do you want to add him/her now?", handle );
616
617	data->ic = ic;
618	data->handle = g_strdup( handle );
619	query_add( ic->irc, ic, s, imcb_ask_add_cb_yes, imcb_ask_add_cb_no, data );
620	}
621
622
623	/* server.c */
624
625	void imcb_buddy_status( struct im_connection ic, const char handle, int flags, const char state, const char message )
626	{
627	user_t *u;
628	int oa, oo;
629
630	u = user_findhandle( ic, (char*) handle );
631
632	if( !u )
633	{
634	if( g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "add" ) == 0 )
635	{
636	imcb_add_buddy( ic, (char*) handle, NULL );
637	u = user_findhandle( ic, (char*) handle );
638	}
639	else
640	{
641	if( set_getbool( &ic->irc->set, "debug" ) \|\| g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "ignore" ) != 0 )
642	{
643	imcb_log( ic, "imcb_buddy_status() for unknown handle %s:", handle );
644	imcb_log( ic, "flags = %d, state = %s, message = %s", flags,
645	state ? state : "NULL", message ? message : "NULL" );
646	}
647
648	return;
649	}
650	}
651
652	oa = u->away != NULL;
653	oo = u->online;
654
655	g_free( u->away );
656	g_free( u->status_msg );
657	u->away = u->status_msg = NULL;
658
659	if( ( flags & OPT_LOGGED_IN ) && !u->online )
660	{
661	irc_spawn( ic->irc, u );
662	u->online = 1;
663	}
664	else if( !( flags & OPT_LOGGED_IN ) && u->online )
665	{
666	struct groupchat *c;
667
668	irc_kill( ic->irc, u );
669	u->online = 0;
670
671	/* Remove him/her from the groupchats to prevent PART messages after he/she QUIT already */
672	for( c = ic->groupchats; c; c = c->next )
673	remove_chat_buddy_silent( c, handle );
674	}
675
676	if( flags & OPT_AWAY )
677	{
678	if( state && message )
679	{
680	u->away = g_strdup_printf( "%s (%s)", state, message );
681	}
682	else if( state )
683	{
684	u->away = g_strdup( state );
685	}
686	else if( message )
687	{
688	u->away = g_strdup( message );
689	}
690	else
691	{
692	u->away = g_strdup( "Away" );
693	}
694	}
695	else
696	{
697	u->status_msg = g_strdup( message );
698	}
699
700	/* LISPy... */
701	if( ( set_getbool( &ic->irc->set, "away_devoice" ) ) && /* Don't do a thing when user doesn't want it */
702	( u->online ) && /* Don't touch offline people */
703	( ( ( u->online != oo ) && !u->away ) \|\| /* Voice joining people */
704	( ( u->online == oo ) && ( oa == !u->away ) ) ) ) /* (De)voice people changing state */
705	{
706	char *from;
707
708	if( set_getbool( &ic->irc->set, "simulate_netsplit" ) )
709	{
710	from = g_strdup( ic->irc->myhost );
711	}
712	else
713	{
714	from = g_strdup_printf( "%s!%s@%s", ic->irc->mynick, ic->irc->mynick,
715	ic->irc->myhost );
716	}
717	irc_write( ic->irc, ":%s MODE %s %cv %s", from, ic->irc->channel,
718	u->away?'-':'+', u->nick );
719	g_free( from );
720	}
721	}
722
723	void imcb_buddy_msg( struct im_connection ic, const char handle, char *msg, uint32_t flags, time_t sent_at )
724	{
725	irc_t *irc = ic->irc;
726	char wrapped, ts = NULL;
727	user_t *u;
728
729	u = user_findhandle( ic, handle );
730
731	if( !u )
732	{
733	char *h = set_getstr( &irc->set, "handle_unknown" );
734
735	if( g_strcasecmp( h, "ignore" ) == 0 )
736	{
737	if( set_getbool( &irc->set, "debug" ) )
738	imcb_log( ic, "Ignoring message from unknown handle %s", handle );
739
740	return;
741	}
742	else if( g_strncasecmp( h, "add", 3 ) == 0 )
743	{
744	int private = set_getbool( &irc->set, "private" );
745
746	if( h[3] )
747	{
748	if( g_strcasecmp( h + 3, "_private" ) == 0 )
749	private = 1;
750	else if( g_strcasecmp( h + 3, "_channel" ) == 0 )
751	private = 0;
752	}
753
754	imcb_add_buddy( ic, handle, NULL );
755	u = user_findhandle( ic, handle );
756	u->is_private = private;
757	}
758	else
759	{
760	imcb_log( ic, "Message from unknown handle %s:", handle );
761	u = user_find( irc, irc->mynick );
762	}
763	}
764
765	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
766	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
767	strip_html( msg );
768
769	if( set_getbool( &ic->irc->set, "display_timestamps" ) &&
770	( ts = format_timestamp( irc, sent_at ) ) )
771	{
772	char *new = g_strconcat( ts, msg, NULL );
773	g_free( ts );
774	ts = msg = new;
775	}
776
777	wrapped = word_wrap( msg, 425 );
778	irc_msgfrom( irc, u->nick, wrapped );
779	g_free( wrapped );
780	g_free( ts );
781	}
782
783	void imcb_buddy_typing( struct im_connection ic, char handle, uint32_t flags )
784	{
785	user_t *u;
786
787	if( !set_getbool( &ic->irc->set, "typing_notice" ) )
788	return;
789
790	if( ( u = user_findhandle( ic, handle ) ) )
791	{
792	char buf[256];
793
794	g_snprintf( buf, 256, "\1TYPING %d\1", ( flags >> 8 ) & 3 );
795	irc_privmsg( ic->irc, u, "PRIVMSG", ic->irc->nick, NULL, buf );
796	}
797	}
798
799	struct groupchat imcb_chat_new( struct im_connection ic, const char *handle )
800	{
801	struct groupchat *c;
802
803	/* This one just creates the conversation structure, user won't see anything yet */
804
805	if( ic->groupchats )
806	{
807	for( c = ic->groupchats; c->next; c = c->next );
808	c = c->next = g_new0( struct groupchat, 1 );
809	}
810	else
811	ic->groupchats = c = g_new0( struct groupchat, 1 );
812
813	c->ic = ic;
814	c->title = g_strdup( handle );
815	c->channel = g_strdup_printf( "&chat_%03d", ic->irc->c_id++ );
816	c->topic = g_strdup_printf( "BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", c->title );
817
818	if( set_getbool( &ic->irc->set, "debug" ) )
819	imcb_log( ic, "Creating new conversation: (id=%p,handle=%s)", c, handle );
820
821	return c;
822	}
823
824	void imcb_chat_name_hint( struct groupchat c, const char name )
825	{
826	if( !c->joined )
827	{
828	struct im_connection *ic = c->ic;
829	char stripped[MAX_NICK_LENGTH+1], *full_name;
830
831	strncpy( stripped, name, MAX_NICK_LENGTH );
832	stripped[MAX_NICK_LENGTH] = '\0';
833	nick_strip( stripped );
834	if( set_getbool( &ic->irc->set, "lcnicks" ) )
835	nick_lc( stripped );
836
837	full_name = g_strdup_printf( "&%s", stripped );
838
839	if( stripped[0] &&
840	nick_cmp( stripped, ic->irc->channel + 1 ) != 0 &&
841	irc_chat_by_channel( ic->irc, full_name ) == NULL )
842	{
843	g_free( c->channel );
844	c->channel = full_name;
845	}
846	else
847	{
848	g_free( full_name );
849	}
850	}
851	}
852
853	void imcb_chat_free( struct groupchat *c )
854	{
855	struct im_connection *ic = c->ic;
856	struct groupchat *l;
857	GList *ir;
858
859	if( set_getbool( &ic->irc->set, "debug" ) )
860	imcb_log( ic, "You were removed from conversation %p", c );
861
862	if( c )
863	{
864	if( c->joined )
865	{
866	user_t u, r;
867
868	r = user_find( ic->irc, ic->irc->mynick );
869	irc_privmsg( ic->irc, r, "PRIVMSG", c->channel, "", "Cleaning up channel, bye!" );
870
871	u = user_find( ic->irc, ic->irc->nick );
872	irc_kick( ic->irc, u, c->channel, r );
873	/* irc_part( ic->irc, u, c->channel ); */
874	}
875
876	/* Find the previous chat in the linked list. */
877	for( l = ic->groupchats; l && l->next != c; l = l->next );
878
879	if( l )
880	l->next = c->next;
881	else
882	ic->groupchats = c->next;
883
884	for( ir = c->in_room; ir; ir = ir->next )
885	g_free( ir->data );
886	g_list_free( c->in_room );
887	g_free( c->channel );
888	g_free( c->title );
889	g_free( c->topic );
890	g_free( c );
891	}
892	}
893
894	void imcb_chat_msg( struct groupchat c, const char who, char *msg, uint32_t flags, time_t sent_at )
895	{
896	struct im_connection *ic = c->ic;
897	char *wrapped;
898	user_t *u;
899
900	/* Gaim sends own messages through this too. IRC doesn't want this, so kill them */
901	if( g_strcasecmp( who, ic->acc->user ) == 0 )
902	return;
903
904	u = user_findhandle( ic, who );
905
906	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
907	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
908	strip_html( msg );
909
910	wrapped = word_wrap( msg, 425 );
911	if( c && u )
912	{
913	char *ts = NULL;
914	if( set_getbool( &ic->irc->set, "display_timestamps" ) )
915	ts = format_timestamp( ic->irc, sent_at );
916	irc_privmsg( ic->irc, u, "PRIVMSG", c->channel, ts ? : "", wrapped );
917	g_free( ts );
918	}
919	else
920	{
921	imcb_log( ic, "Message from/to conversation %s@%p (unknown conv/user): %s", who, c, wrapped );
922	}
923	g_free( wrapped );
924	}
925
926	void imcb_chat_log( struct groupchat c, char format, ... )
927	{
928	irc_t *irc = c->ic->irc;
929	va_list params;
930	char *text;
931	user_t *u;
932
933	va_start( params, format );
934	text = g_strdup_vprintf( format, params );
935	va_end( params );
936
937	u = user_find( irc, irc->mynick );
938
939	irc_privmsg( irc, u, "PRIVMSG", c->channel, "System message: ", text );
940
941	g_free( text );
942	}
943
944	void imcb_chat_topic( struct groupchat c, char who, char *topic, time_t set_at )
945	{
946	struct im_connection *ic = c->ic;
947	user_t *u = NULL;
948
949	if( who == NULL)
950	u = user_find( ic->irc, ic->irc->mynick );
951	else if( g_strcasecmp( who, ic->acc->user ) == 0 )
952	u = user_find( ic->irc, ic->irc->nick );
953	else
954	u = user_findhandle( ic, who );
955
956	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
957	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
958	strip_html( topic );
959
960	g_free( c->topic );
961	c->topic = g_strdup( topic );
962
963	if( c->joined && u )
964	irc_write( ic->irc, ":%s!%s@%s TOPIC %s :%s", u->nick, u->user, u->host, c->channel, topic );
965	}
966
967
968	/* buddy_chat.c */
969
970	void imcb_chat_add_buddy( struct groupchat b, const char handle )
971	{
972	user_t *u = user_findhandle( b->ic, handle );
973	int me = 0;
974
975	if( set_getbool( &b->ic->irc->set, "debug" ) )
976	imcb_log( b->ic, "User %s added to conversation %p", handle, b );
977
978	/* It might be yourself! */
979	if( b->ic->acc->prpl->handle_cmp( handle, b->ic->acc->user ) == 0 )
980	{
981	u = user_find( b->ic->irc, b->ic->irc->nick );
982	if( !b->joined )
983	irc_join( b->ic->irc, u, b->channel );
984	b->joined = me = 1;
985	}
986
987	/* Most protocols allow people to join, even when they're not in
988	your contact list. Try to handle that here */
989	if( !u )
990	{
991	imcb_add_buddy( b->ic, handle, NULL );
992	u = user_findhandle( b->ic, handle );
993	}
994
995	/* Add the handle to the room userlist, if it's not 'me' */
996	if( !me )
997	{
998	if( b->joined )
999	irc_join( b->ic->irc, u, b->channel );
1000	b->in_room = g_list_append( b->in_room, g_strdup( handle ) );
1001	}
1002	}
1003
1004	/* This function is one BIG hack... :-( EREWRITE */
1005	void imcb_chat_remove_buddy( struct groupchat b, const char handle, const char *reason )
1006	{
1007	user_t *u;
1008	int me = 0;
1009
1010	if( set_getbool( &b->ic->irc->set, "debug" ) )
1011	imcb_log( b->ic, "User %s removed from conversation %p (%s)", handle, b, reason ? reason : "" );
1012
1013	/* It might be yourself! */
1014	if( g_strcasecmp( handle, b->ic->acc->user ) == 0 )
1015	{
1016	if( b->joined == 0 )
1017	return;
1018
1019	u = user_find( b->ic->irc, b->ic->irc->nick );
1020	b->joined = 0;
1021	me = 1;
1022	}
1023	else
1024	{
1025	u = user_findhandle( b->ic, handle );
1026	}
1027
1028	if( me \|\| ( remove_chat_buddy_silent( b, handle ) && b->joined && u ) )
1029	irc_part( b->ic->irc, u, b->channel );
1030	}
1031
1032	static int remove_chat_buddy_silent( struct groupchat b, const char handle )
1033	{
1034	GList *i;
1035
1036	/* Find the handle in the room userlist and shoot it */
1037	i = b->in_room;
1038	while( i )
1039	{
1040	if( g_strcasecmp( handle, i->data ) == 0 )
1041	{
1042	g_free( i->data );
1043	b->in_room = g_list_remove( b->in_room, i->data );
1044	return( 1 );
1045	}
1046
1047	i = i->next;
1048	}
1049
1050	return( 0 );
1051	}
1052
1053
1054	/* Misc. BitlBee stuff which shouldn't really be here */
1055
1056	char set_eval_away_devoice( set_t set, char *value )
1057	{
1058	irc_t *irc = set->data;
1059	int st;
1060
1061	if( !is_bool( value ) )
1062	return SET_INVALID;
1063
1064	st = bool2int( value );
1065
1066	/* Horror.... */
1067
1068	if( st != set_getbool( &irc->set, "away_devoice" ) )
1069	{
1070	char list[80] = "";
1071	user_t *u = irc->users;
1072	int i = 0, count = 0;
1073	char pm;
1074	char v[80];
1075
1076	if( st )
1077	pm = '+';
1078	else
1079	pm = '-';
1080
1081	while( u )
1082	{
1083	if( u->ic && u->online && !u->away )
1084	{
1085	if( ( strlen( list ) + strlen( u->nick ) ) >= 79 )
1086	{
1087	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
1088	irc_write( irc, ":%s MODE %s %c%s%s",
1089	irc->myhost,
1090	irc->channel, pm, v, list );
1091
1092	*list = 0;
1093	count = 0;
1094	}
1095
1096	sprintf( list + strlen( list ), " %s", u->nick );
1097	count ++;
1098	}
1099	u = u->next;
1100	}
1101
1102	/* $v = 'v' x $i */
1103	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
1104	irc_write( irc, ":%s MODE %s %c%s%s", irc->myhost,
1105	irc->channel, pm, v, list );
1106	}
1107
1108	return value;
1109	}
1110
1111	char set_eval_timezone( set_t set, char *value )
1112	{
1113	char *s;
1114
1115	if( strcmp( value, "local" ) == 0 \|\|
1116	strcmp( value, "gmt" ) == 0 \|\| strcmp( value, "utc" ) == 0 )
1117	return value;
1118
1119	/* Otherwise: +/- at the beginning optional, then one or more numbers,
1120	possibly followed by a colon and more numbers. Don't bother bound-
1121	checking them since users are free to shoot themselves in the foot. */
1122	s = value;
1123	if( s == '+' \|\| s == '-' )
1124	s ++;
1125
1126	/* \d+ */
1127	if( !isdigit( *s ) )
1128	return SET_INVALID;
1129	while( s && isdigit( s ) ) s ++;
1130
1131	/* EOS? */
1132	if( *s == '\0' )
1133	return value;
1134
1135	/* Otherwise, colon */
1136	if( *s != ':' )
1137	return SET_INVALID;
1138	s ++;
1139
1140	/* \d+ */
1141	if( !isdigit( *s ) )
1142	return SET_INVALID;
1143	while( s && isdigit( s ) ) s ++;
1144
1145	/* EOS */
1146	return *s == '\0' ? value : SET_INVALID;
1147	}
1148
1149	static char format_timestamp( irc_t irc, time_t msg_ts )
1150	{
1151	time_t now_ts = time( NULL );
1152	struct tm now, msg;
1153	char *set;
1154
1155	/* If the timestamp is <= 0 or less than a minute ago, discard it as
1156	it doesn't seem to add to much useful info and/or might be noise. */
1157	if( msg_ts <= 0 \|\| msg_ts > now_ts - 60 )
1158	return NULL;
1159
1160	set = set_getstr( &irc->set, "timezone" );
1161	if( strcmp( set, "local" ) == 0 )
1162	{
1163	localtime_r( &now_ts, &now );
1164	localtime_r( &msg_ts, &msg );
1165	}
1166	else
1167	{
1168	int hr, min = 0, sign = 60;
1169
1170	if( set[0] == '-' )
1171	{
1172	sign *= -1;
1173	set ++;
1174	}
1175	else if( set[0] == '+' )
1176	{
1177	set ++;
1178	}
1179
1180	if( sscanf( set, "%d:%d", &hr, &min ) >= 1 )
1181	{
1182	msg_ts += sign * ( hr * 60 + min );
1183	now_ts += sign * ( hr * 60 + min );
1184	}
1185
1186	gmtime_r( &now_ts, &now );
1187	gmtime_r( &msg_ts, &msg );
1188	}
1189
1190	if( msg.tm_year == now.tm_year && msg.tm_yday == now.tm_yday )
1191	return g_strdup_printf( "\x02[\x02\x02\x02%02d:%02d:%02d\x02]\x02 ",
1192	msg.tm_hour, msg.tm_min, msg.tm_sec );
1193	else
1194	return g_strdup_printf( "\x02[\x02\x02\x02%04d-%02d-%02d "
1195	"%02d:%02d:%02d\x02]\x02 ",
1196	msg.tm_year + 1900, msg.tm_mon, msg.tm_mday,
1197	msg.tm_hour, msg.tm_min, msg.tm_sec );
1198	}
1199
1200	/* The plan is to not allow straight calls to prpl functions anymore, but do
1201	them all from some wrappers. We'll start to define some down here: */
1202
1203	int imc_buddy_msg( struct im_connection ic, char handle, char *msg, int flags )
1204	{
1205	char *buf = NULL;
1206	int st;
1207
1208	if( ( ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
1209	{
1210	buf = escape_html( msg );
1211	msg = buf;
1212	}
1213
1214	st = ic->acc->prpl->buddy_msg( ic, handle, msg, flags );
1215	g_free( buf );
1216
1217	return st;
1218	}
1219
1220	int imc_chat_msg( struct groupchat c, char msg, int flags )
1221	{
1222	char *buf = NULL;
1223
1224	if( ( c->ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
1225	{
1226	buf = escape_html( msg );
1227	msg = buf;
1228	}
1229
1230	c->ic->acc->prpl->chat_msg( c, msg, flags );
1231	g_free( buf );
1232
1233	return 1;
1234	}
1235
1236	static char imc_away_state_find( GList gcm, char away, char *message );
1237
1238	int imc_away_send_update( struct im_connection *ic )
1239	{
1240	char away, msg = NULL;
1241
1242	if( ic->acc->prpl->away_states == NULL \|\|
1243	ic->acc->prpl->set_away == NULL )
1244	return 0;
1245
1246	away = set_getstr( &ic->acc->set, "away" ) ?
1247	: set_getstr( &ic->irc->set, "away" );
1248	if( away && *away )
1249	{
1250	GList *m = ic->acc->prpl->away_states( ic );
1251	msg = ic->acc->flags & ACC_FLAG_AWAY_MESSAGE ? away : NULL;
1252	away = imc_away_state_find( m, away, &msg ) ? : m->data;
1253	}
1254	else if( ic->acc->flags & ACC_FLAG_STATUS_MESSAGE )
1255	{
1256	away = NULL;
1257	msg = set_getstr( &ic->acc->set, "status" ) ?
1258	: set_getstr( &ic->irc->set, "status" );
1259	}
1260
1261	ic->acc->prpl->set_away( ic, away, msg );
1262
1263	return 1;
1264	}
1265
1266	static char *imc_away_alias_list[8][5] =
1267	{
1268	{ "Away from computer", "Away", "Extended away", NULL },
1269	{ "NA", "N/A", "Not available", NULL },
1270	{ "Busy", "Do not disturb", "DND", "Occupied", NULL },
1271	{ "Be right back", "BRB", NULL },
1272	{ "On the phone", "Phone", "On phone", NULL },
1273	{ "Out to lunch", "Lunch", "Food", NULL },
1274	{ "Invisible", "Hidden" },
1275	{ NULL }
1276	};
1277
1278	static char imc_away_state_find( GList gcm, char away, char *message )
1279	{
1280	GList *m;
1281	int i, j;
1282
1283	for( m = gcm; m; m = m->next )
1284	if( g_strncasecmp( m->data, away, strlen( m->data ) ) == 0 )
1285	{
1286	/* At least the Yahoo! module works better if message
1287	contains no data unless it adds something to what
1288	we have in state already. */
1289	if( strlen( m->data ) == strlen( away ) )
1290	*message = NULL;
1291
1292	return m->data;
1293	}
1294
1295	for( i = 0; *imc_away_alias_list[i]; i ++ )
1296	{
1297	int keep_message;
1298
1299	for( j = 0; imc_away_alias_list[i][j]; j ++ )
1300	if( g_strncasecmp( away, imc_away_alias_list[i][j], strlen( imc_away_alias_list[i][j] ) ) == 0 )
1301	{
1302	keep_message = strlen( away ) != strlen( imc_away_alias_list[i][j] );
1303	break;
1304	}
1305
1306	if( !imc_away_alias_list[i][j] ) /* If we reach the end, this row */
1307	continue; /* is not what we want. Next! */
1308
1309	/* Now find an entry in this row which exists in gcm */
1310	for( j = 0; imc_away_alias_list[i][j]; j ++ )
1311	{
1312	for( m = gcm; m; m = m->next )
1313	if( g_strcasecmp( imc_away_alias_list[i][j], m->data ) == 0 )
1314	{
1315	if( !keep_message )
1316	*message = NULL;
1317
1318	return imc_away_alias_list[i][j];
1319	}
1320	}
1321
1322	/* No need to look further, apparently this state doesn't
1323	have any good alias for this protocol. */
1324	break;
1325	}
1326
1327	return NULL;
1328	}
1329
1330	void imc_add_allow( struct im_connection ic, char handle )
1331	{
1332	if( g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
1333	{
1334	ic->permit = g_slist_prepend( ic->permit, g_strdup( handle ) );
1335	}
1336
1337	ic->acc->prpl->add_permit( ic, handle );
1338	}
1339
1340	void imc_rem_allow( struct im_connection ic, char handle )
1341	{
1342	GSList *l;
1343
1344	if( ( l = g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
1345	{
1346	g_free( l->data );
1347	ic->permit = g_slist_delete_link( ic->permit, l );
1348	}
1349
1350	ic->acc->prpl->rem_permit( ic, handle );
1351	}
1352
1353	void imc_add_block( struct im_connection ic, char handle )
1354	{
1355	if( g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
1356	{
1357	ic->deny = g_slist_prepend( ic->deny, g_strdup( handle ) );
1358	}
1359
1360	ic->acc->prpl->add_deny( ic, handle );
1361	}
1362
1363	void imc_rem_block( struct im_connection ic, char handle )
1364	{
1365	GSList *l;
1366
1367	if( ( l = g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
1368	{
1369	g_free( l->data );
1370	ic->deny = g_slist_delete_link( ic->deny, l );
1371	}
1372
1373	ic->acc->prpl->rem_deny( ic, handle );
1374	}
1375
1376	void imcb_clean_handle( struct im_connection ic, char handle )
1377	{
1378	/* Accepts a handle and does whatever is necessary to make it
1379	BitlBee-friendly. Currently this means removing everything
1380	outside 33-127 (ASCII printable excl spaces), @ (only one
1381	is allowed) and ! and : */
1382	char out[strlen(handle)+1];
1383	int s, d;
1384
1385	s = d = 0;
1386	while( handle[s] )
1387	{
1388	if( handle[s] > ' ' && handle[s] != '!' && handle[s] != ':' &&
1389	( handle[s] & 0x80 ) == 0 )
1390	{
1391	if( handle[s] == '@' )
1392	{
1393	/* See if we got an @ already? */
1394	out[d] = 0;
1395	if( strchr( out, '@' ) )
1396	continue;
1397	}
1398
1399	out[d++] = handle[s];
1400	}
1401	s ++;
1402	}
1403	out[d] = handle[s];
1404
1405	strcpy( handle, out );
1406	}

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